highest1

来自「linux脚本编程的例子」· 代码 · 共 16 行

#
#       highest filename [howmany]
#
#       Print howmany highest-numbered lines in file filename.
#       The input file is assumed to have lines that start with
#       numbers.  Default for howmany is 10.
#

filename=$1
filename=${filename:?"missing."}
howmany=$2

sort -nr $filename | head -${howmany:=10}